package com.coding.component;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.border.LineBorder;

/**
 * 为创建圆角输入框自定义边框线条工具类
 */
public class MyLineBorder extends LineBorder {

    private static final long serialVersionUID = 1L;

    public MyLineBorder(Color color, int thickness, boolean roundedCorners) {
        super(color, thickness, roundedCorners);
    }

    @Override
    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {

        RenderingHints rh = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        Color oldColor = g.getColor();
        Graphics2D g2 = (Graphics2D) g;
        int i;
        g2.setRenderingHints(rh);
        g2.setColor(lineColor);
        for (i = 0; i < thickness; i++) {
            if (!roundedCorners) {
                g2.drawRect(x + i, y + i, width - i - i - 1, height - i - i - 1);
            } else {
                g2.drawRoundRect(x + i, y + i,
                        width - i - i - 1,
                        height - i - i - 1, 5, 5);
            }
        }
        g2.setColor(oldColor);
    }
}